Can anybody please help me out with this question I would really appreciate it so much. Please and thank you .
1 answer:
(7x+2)° = (9x–8)°
=>7x –9x = –8–2
=> –2x = –10
=> x = 10/2
=> x = 5
<ADB = (7x+2)°
= 7×5+2
= 37°
<BDC = (9x–8)°
= 9×5–8
= 45 –8
= 37°
<ADC = 37° + 37°
= 74°
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